. >> suarez: and i'm ray suarez. on the newshour tonight, we have the latest on the surprise announcement, and we assess benedict's legacy and the challenges ahead for the catholic church. >> woodruff: then we get an update on the search for the fugitive police officer wanted for murder from los angeles mayor antonio villaraigosa. >> suarez: elizabeth brackett of wttw-chicago has the story of a dramatic drop in the water level of lake michigan, endangering the economies of towns along the shore. >> if i had been walking along this beach in 1984, the water would have been almost a foot over my head. >> woodruff: on the daily download, christina bellantoni examines what it means to "like" someone-- or something-- on facebook. >> suarez: and jeffrey brown talks with novelist brad meltzer about his new book, writing thrillers, and his research into presidential assassins. >> if you look at all the people, they have almost nothing in common. it's every age range and socioeconomic range. look at the four who have successfu